FNIRSI DPOS350P 4-u-1 višenamjenski tablet osciloskop - uputstvo za upotrebu

1. Uvod

The FNIRSI DPOS350P is a versatile 4-in-1 instrument designed for comprehensive signal analysis. It integrates a 350MHz dual-channel digital phosphor oscilloscope, a 50MHz full-function signal generator, a 200K~350MHz spectrum analyzer, and a 50MHz frequency response analyzer. This device features a 1GSa/s real-time sampling rate, 350MHz analog bandwidth, and an ultra-high 50,000 wfm/s waveform refresh rate, enabling it to capture and display a wide range of signals clearly, particularly for complex signal analysis and low-probability anomaly detection. Its built-in high-resolution display, touch operation, intelligent triggering, and multiple measurement modes make it a precise and reliable tool for various testing and analysis applications.

Figure 1: FNIRSI DPOS350P 4-in-1 Multi-Function Tablet Oscilloscope

2. Sigurnosne informacije

Always observe the following safety precautions when operating the device:

• Osigurajte da se uređaj koristi unutar njegove navedene količinetage i strujne granice.
• Avoid exposing the device to extreme temperatures, humidity, or corrosive environments.
• Ne otvarajte uređaj casinili pokušavajte sami popraviti. Obratite se kvalifikovanom servisnom osoblju.
• Use only the provided accessories and probes. Ensure probes are correctly rated for the voltage se mjeri.
• The device features high-voltage input protection up to 400V. However, always exercise caution when working with high voltages.
• Držite uređaj dalje od jakih elektromagnetnih polja.

3. Sadržaj paketa

Provjerite da li se u vašem paketu nalaze sve dolje navedene stavke:

• DPOS350P Oscilloscope Host x 1
• 350MHz Probe x 2
• QC18W Charger x 1
• USB kabl za prenos podataka x 1
• Alligator Clip Leads x 1
• Korisnički priručnik x 1
• Kutija za pakovanje x 1

Figure 2: DPOS350P Package Contents

4. Device Overview

4.1. Fizičke karakteristike

The DPOS350P features a rugged anodized aluminum and ABS+PC casing for durability and superior heat dissipation. It is equipped with a 7-inch IPS ultra-responsive touchscreen with a resolution of 1024*600 pixels.

Figure 3: Durable Casing Dizajn

4.2. Ulazno/izlazni portovi

The device includes dedicated ports for oscilloscope input and signal generator output:

• CH1 (Oscilloscope Input): Channel 1 input for waveform measurement.
• CH2 (Oscilloscope Input): Channel 2 input for waveform measurement.
• GEN (Signal Generator Output): Output for generating various waveforms.

Figure 4: Dual Channel Input Ports

5. Podešavanje

5.1. Početno punjenje

Before first use, fully charge the device using the provided QC18W charger and USB data cable. The internal 3.7V, 8000mAh lithium battery supports fast charging, reaching full power in approximately 3 hours. A full charge provides about 5 hours of standby time.

Slika 5: Informacije o bateriji i punjenju

5.2. Uključivanje/isključivanje

To power on the device, press the left power button. The device will boot directly into the oscilloscope interface. To power off, press and hold the power button until the shutdown prompt appears, then confirm.

5.3. Priključak sonde

For oscilloscope measurements, connect the probe to either CH1 or CH2 input. Ensure the connection is secure by tightening the probe connector. The black clip on the probe is for ground, and the other lead is the signal probe. For accurate measurements, set the probe attenuation switch to 1X, 10X, or 100X as required, and adjust the corresponding setting on the oscilloscope.

Figure 6: Probe Connection Example (US version shown)

6. Uputstvo za upotrebu

6.1. Režim osciloskopa

Upon powering on, the device defaults to oscilloscope mode. The 7-inch IPS touchscreen allows for intuitive control.

• Auto Adjustment: Tap the "AUTO" button on the screen for automatic signal detection and optimal waveform display. This feature intelligently detects signal characteristics and adapts trigger levels.
• Time Base Adjustment: Adjust the time base to zoom in or out on the waveform. This is useful for detailed analysis of selected waveform sections, especially for digital logic signals.
• Načini okidača: Select from Auto, Single, or Normal trigger modes. Single mode is ideal for capturing transient signals, while Auto mode is suitable for periodic signals.
• Digital Fluorescence Display: Utilize grayscale and color temperature display modes for superior signal clarity and color precision, enhancing the analysis of complex signals.
• XY način rada: Use CH1 (X-axis) and CH2 (Y-axis) to generate closed-loop curves for precise amplitude, frequency, and phase comparisons.
• Long Time Base Flow Mode: Ideal for real-time monitoring of slow voltage changes, such as battery charge/discharge curves.
• Hardware Bandwidth Limiter: Physically limits bandwidth to filter out high-frequency components (above 150MHz/20MHz), reducing noise and harmonics.
• Ultra-Sensitive 2mV/Div: Maintains full 350MHz analog bandwidth at 2mV sensitivity with a sealed shielding design for minimal noise interference.
• Adaptive High-Frequency Suppression: Automatically triggers noise reduction based on waveform frequency characteristics, with adjustable intensity for precise control.

Figure 7: Trigger Functions and Auto Adjustment

Figure 8: Time Base Expansion and Bandwidth Limiter

Figure 9: Low System Noise and Noise Suppression

Figure 10: Advanced Display Modes

6.2. Režim generatora signala

The built-in signal generator supports 14 standard waveform types and allows for custom waveform generation. Connect the output from the GEN port to your desired circuit.

• Vrste talasnih oblika: Select from 14 standard functions or use captured waveforms.
• Podešavanje frekvencije: Adjust frequency from 0 to 50MHz (sine wave only; other waveforms up to 10M/5M/3M).
• Amplitude and Offset: Control amplitude (0-5VPP) and offset (-2.5V to +2.5V).
• Duty Cycle: Adjust duty cycle from 0.1% to 99.9%.
• Custom Waveforms: Store up to 500 custom signals.

Figure 11: Multifunctional Signal Generator Interface

6.3. Spectrum Analyzer Mode

The spectrum analyzer covers a frequency range of 200KHz to 350MHz, ideal for EMI testing, RF signal analysis, and harmonic detection.

• Frekvencijski opseg: Covers 200KHz to 350MHz.
• Prikaz vodopada: Features 3D waterfall display and advanced visualization modes.
• Cursor Measurement: Perform cursor measurements for frequency, bandwidth, reference level, attenuation, and FFT length.
• FFT analiza: Qualitatively view the spectral components of the current signal.

Figure 12: Advanced Spectrum Analyzer Interface

Figure 13: Cursor Measurement and FFT Analysis

6.4. Frequency Response Analyzer Mode

The built-in 50MHz frequency response analyzer is ideal for amplifier, filter, and power loop response testing.

• Bode Plot Analysis: Perform Bode Plot analysis with adjustable frequency, excitation amplitud i ofset.
• Frekvencijski opseg: 100Hz to 50MHz.
• Cursor Measurement: Measure frequency, gain, and phase.

Figure 14: Built-in Frequency Response Analyzer

6.5. Pohranjivanje i izvoz podataka

The device is equipped with 1GB storage, capable of saving up to 90 images (screenshots) or 500 waveforms for secondary analysis.

• Pohrana snimaka ekrana: Save up to 90 screenshots of the display.
• Pohranjivanje valnih oblika: Store up to 500 groups of waveform data.
• Izvoz podataka s USB-a: Connect the device to a PC via USB to view or copy screenshots and waveform data.
• Ažuriranje firmvera: Supports .iso image updates for firmware upgrades via USB.

Figure 15: Efficient Data Storage and Viewing

Figure 16: USB Data Export and Software Update

7. Održavanje

• Čišćenje: Use a soft, dry cloth to clean the device. For stubborn dirt, a slightly damp Može se koristiti krpa s blagim deterdžentom, pazeći da tekućina ne uđe u uređaj. Ne koristite abrazivna sredstva za čišćenje ili rastvarače.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. If storing the device for an extended period, charge it to about 50-70% and recharge every few months.
• Ažuriranja firmvera: Regularly check the manufacturer's website for available firmware updates. Updates can improve performance, add features, and fix bugs. Follow the provided instructions carefully for firmware upgrades using a .iso image via USB.
• Skladištenje: Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided packing box or a protective case for storage and transport.

8. Otkrivanje problema

• Uređaj se ne uključuje: Ensure the battery is charged. Connect the charger and try again. If the issue persists, contact support.
• Nije prikazan talasni oblik: Check probe connections to CH1/CH2 and ensure they are secure. Verify the probe attenuation setting matches the device setting. Use the "AUTO" function to automatically adjust the display.
• Nestabilan talasni oblik: Adjust the trigger mode (Auto, Single, Normal) and trigger level. Consider using the hardware bandwidth limiter or adaptive high-frequency suppression if noise is present.
• Signal Generator not outputting: Ensure the GEN port is correctly connected and the signal generator function is enabled and configured.
• Ekran osjetljiv na dodir ne reagira: Restart the device. If the issue continues, ensure the screen is clean and dry.
• Greška ažuriranja firmvera: Ensure the .iso file is not corrupted and the USB connection is stable. Follow the update instructions precisely.

9. Specifikacije

Slika 17: Detaljne tehničke specifikacije

10. Savjeti za korisnike

• For quick setup and stable waveform display, always try the "AUTO" function first in oscilloscope mode.
• When analyzing noisy signals, utilize the hardware bandwidth limiter (150M/20M) or adaptive high-frequency suppression to clarify the waveform.
• The 8-16 bit high-resolution mode can reveal finer details in signals, which is crucial for precise analysis.
• Take advantage of the data storage feature to save important waveforms and screenshots for later review or reporting. Export them to a PC via USB for easier management.
• Experiment with the Digital Fluorescence display modes (grayscale and color temperature) to find the best visualization for different signal types.
• The automatic shutdown feature can be configured (15 minutes to 1 hour, or off) to conserve battery life when not in active use.

11. Garancija i podrška

For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the official FNIRSI webSačuvajte račun kao dokaz o kupovini za reklamacije u slučaju reklamacije.